CN114903289A

CN114903289A - Integrated practice desk device on accounting teaching computer

Info

Publication number: CN114903289A
Application number: CN202210697830.9A
Authority: CN
Inventors: 惠莹; 张芳; 姚娜
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-08-16
Anticipated expiration: 2042-06-20
Also published as: CN114903289B

Abstract

The invention discloses an integrated computer-mounted practice desk device for an accounting teaching computer, which comprises a desk frame, wherein the top of the desk frame is provided with a transverse groove, the inside of the transverse groove is connected with an outer frame in a sliding manner, the inner side wall of the top of the outer frame is provided with an anti-falling assembly, the center position of the inside of the outer frame is provided with a positioning plate, and three telescopic frames are arranged between the positioning plate and the outer frame; make the actuating lever under the cooperation of crane through the pulling subassembly, make the display screen adjust to suitable position, and then avoid the student to look up or look down and watch the display screen, it is more comfortable when making the student watch the display screen, can adjust locating plate internally mounted's display screen position through displacement mechanism, can make myopia or hyperopia classmate keep comfortable posture to watch the display screen through making like this, can make the display screen fix the inside at the locating plate through fixed establishment, can install the display screen through like this, avoid using the step of bolt fastening.

Description

Integrated practice desk device on accounting teaching computer

Technical Field

The invention relates to the technical field of accounting teaching equipment, in particular to an on-computer integrated practice desk device of an accounting teaching computer.

Background

The in-process of accounting teaching demonstrates for the convenience of mr, often can impart knowledge to students in integrated form computer lab, and practice desk is the indoor equipment of placing computer display screen of integrated form computer lab, and the display screen of current computer is fixed mostly in the returning face plate at practice desk top, when the student needs to use the display, only need to the returning face plate toward turning on one's side outward can, when need not use the display, only reset the returning face plate on the desk can.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: because the roll-over plate does not have adjustment mechanism, when the student of different heights is sat on the desk, can make the student face upward or look down and watch the display screen, when looking upward or looking down for a long time, can lead to the condition of student's neck aching pain, when the student has myopia or hyperopia, needs the student's health to be close to the display screen or keep away from the display screen, because the student does not keep correct position of sitting, can make the condition that the student back takes place the aching pain for a long time.

Therefore, the integrated practice desk device on the computer for accounting teaching solves the problems.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: an integrated practice desk device on an accounting teaching computer comprises a desk frame, wherein a transverse groove is formed in the top of the desk frame, an outer frame is connected to the inside of the transverse groove in a sliding mode, an anti-falling component is installed on the inner side wall of the top of the outer frame, a positioning plate is installed at the center position of the inside of the outer frame, three telescopic frames are installed between the positioning plate and the outer frame and located at the middle positions of the left outer wall, the right outer wall and the top of the positioning plate respectively, a vertical rod is installed at the top of the positioning plate and at the position corresponding to the anti-falling component, two groups of fixing mechanisms are symmetrically installed at two ends of the front surface of the positioning plate, the number of the fixing mechanisms in each group is two, a lifting mechanism is installed at the rear portion inside the desk frame, and displacement mechanisms are installed at two ends of the inner side wall of the desk frame, the displacement mechanism and the lifting mechanism are connected with the outer frame.

The displacement mechanism comprises a slide rail, a cross rod, a pedal, a slide block, a telescopic rod, an anti-slip plate, longitudinal rods, a spring frame and a lower pressure rod, the slide rail is installed at two ends of the inner side wall of the desk frame, the slide block is connected above the outer side wall of the slide rail in a sliding manner, four longitudinal rods are connected inside the slide block in a sliding manner, the anti-slip plate is installed at the bottoms of the four longitudinal rods, the top of the anti-slip plate is contacted with the bottom of the slide rail, the spring frame is installed above the outer side wall of the longitudinal rods, the spring frame is located at the top of the slide block, an extrusion groove is further formed in the top of the slide block, the top of the slide block is rotatably connected with the pedal through a connecting shaft, the lower pressure rod is installed at the bottom of the pedal, the bottom of the lower pressure rod extends to the inside of the extrusion groove, the cross rod is installed on the rear surface of the slide block, and the top of the cross rod is installed with the telescopic rod, the top of telescopic link with the one end of locating plate is connected, desk frame top just is located the bar groove has been seted up at the both ends of cross slot, the telescopic link runs through the inside of cross slot.

The lifting mechanism comprises a supporting plate, supporting shafts, lifting frames, a fluted disc, extension rods, driving rods, fluted bars, a pulling assembly and a tray, wherein a vertical groove is formed in the center position of the rear surface of the desk frame, the tray is connected to the inside of the vertical groove in a sliding manner, the tray is connected with external electric lifting equipment, the supporting plate is arranged inside the desk frame, the extension rods are arranged at two ends of the supporting plate, the other ends of the two extension rods are positioned in the extension groove formed in the inner side wall of the desk frame, the supporting shafts are arranged at two ends of the top of the supporting plate, the lifting frames are arranged at the tops of the two supporting shafts, the tops of the two lifting frames are connected with the outer frame through rotating shafts, the fluted disc is arranged below the rear surfaces of the two lifting frames, the driving rods are connected to the center position of the top of the supporting plate in a sliding manner, and the fluted bars are respectively arranged at two ends of the driving rods, the front surface of the driving rod is provided with a pulling assembly.

Preferably, fixed establishment includes fixed plate, gim peg, dead lever, extrusion stem, No. three spring frame and extrusion pad, the front surface mounting of locating plate has the dead lever, fixed plate and gim peg are installed to the lateral wall of dead lever, the gim peg with threaded connection between the dead lever, the fixed plate is kept away from the one end sliding connection of dead lever has the extrusion stem, the rear surface mounting of extrusion stem has the extrusion pad, No. three spring frame is installed to the lateral wall of extrusion stem, No. three spring frame is located the extrusion pad with between the fixed plate.

Preferably, the pulling assembly comprises a bearing sleeve, a bearing rod, an upper pull rod, a limiting frame and a pull plate, the bearing rod is mounted on the front surface of the toothed rod, the upper pull rod is mounted on the outer side wall of the bearing rod, the pull plate is mounted on the front surface of the upper pull rod, the limiting frame is mounted at the bottom of the upper pull rod, and the limiting frame is fixedly connected with the inner side wall of the desk frame.

Preferably, the anticreep subassembly includes semicircle cover, No. two spring cradles and accomodates the groove, the inside of outer frame and with the groove has been seted up to accomodate in the corresponding position of pole setting, two semicircle covers, two are installed to the inside symmetry of accomodating the groove semicircle cover with accomodate the cell wall sliding connection in groove, two No. two spring cradles are installed to the back of the body of semicircle cover.

Preferably, a plurality of first jacks are formed in the front surface of the limiting frame, and a second jack is formed in one end of the front surface of the pulling plate.

Preferably, through grooves are formed in the pedal, and the number of the through grooves is two.

Preferably, a driving groove is formed in the rear surface of the supporting plate, and the driving groove is connected with the driving rod in a sliding mode.

Compared with the prior art, the invention has the following beneficial effects: 1. when needs use the inside display screen of locating plate, can make the tray drive the locating plate of backup pad top through outside electric lift equipment and rise to standard position, when the inside display screen of locating plate needs readjustment, can make the actuating lever drive the locating plate of outer frame inside under the cooperation of crane through the pulling subassembly and go up and down, can make the display screen adjust suitable position through the locating plate, and then avoid the student to look up or look down the condition of watching the display screen, it is more comfortable when making the student watch the display screen.

2. Step on footboard and back-and-forth movement through the foot, can make and violently drive the locating plate back-and-forth movement of telescopic link top, the locating plate through the back-and-forth movement can adjust the display screen position of internally mounted, can keep comfortable posture through making myopia or hyperopia students like this and watch the display screen, avoids the phenomenon that the waist appears the ache.

3. Make the display screen install in the inside of locating plate, then elasticity through No. three spring frame can make the dead lever drive the extrusion pad and hug closely all the time in the edge of display screen, through can fixing the display screen like this, reduce the step of using the bolt fastening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the desk device shown in FIG. 1;

FIG. 3 is a schematic structural view of the desk device shown in FIG. 1 with the outer wall of the rear side removed;

FIG. 4 is a schematic view of a connection structure of the displacement mechanism, the desk frame and the positioning plate in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a connecting structure of the slide rail and the slide block in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the connection structure of the lifting mechanism, the desk frame and the outer frame in FIG. 1;

FIG. 7 is a schematic structural view of the lifting mechanism of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of a connection structure between the outer frame and the positioning plate of FIG. 1 according to the present invention;

FIG. 9 is a bottom view of the inner sidewall of the top of the outer frame of FIG. 8;

FIG. 10 is an enlarged view of A of FIG. 9 according to the present invention;

fig. 11 is a schematic structural view of the fixing mechanism in fig. 8 according to the present invention.

In the figure: 1. a desk frame; 2. a displacement mechanism; 3. a lifting mechanism; 4. an outer frame; 5. positioning a plate; 6. a telescopic frame; 7. a fixing mechanism; 11. a transverse groove; 12. a vertical slot; 13. an extension groove; 14. a strip-shaped groove; 21. a slide rail; 22. a cross bar; 23. a pedal; 231. a through groove; 24. a slider; 241. extruding a groove; 242. a connecting shaft; 25. a telescopic rod; 26. an anti-skid plate; 27. a longitudinal bar; 28. a first spring holder; 29. a lower pressure lever; 31. a support plate; 311. a drive slot; 32. a support shaft; 33. a lifting frame; 34. a fluted disc; 35. an extension rod; 36. a drive rod; 37. a rack bar; 38. a pulling assembly; 381. a bearing sleeve; 382. a support rod; 383. an upper pull rod; 384. a limiting frame; 3841. a first jack; 385. pulling a plate; 3851. a second jack; 39. a tray; 41. an anti-drop component; 411. a semicircular sleeve; 412. a second spring frame; 413. a receiving groove; 51. erecting a rod; 71. a fixing plate; 72. a fixing bolt; 73. fixing the rod; 74. an extrusion stem; 75. a third spring frame; 76. the mat is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, an integrated practice desk device on computer for accounting teaching comprises a desk frame 1, a transverse groove 11 is arranged at the top of the desk frame 1, an outer frame 4 is slidably connected inside the transverse groove 11, an anti-drop component 41 is arranged on the inner side wall of the top of the outer frame 4, a positioning plate 5 is arranged at the inner center position of the outer frame 4, three telescopic frames 6 are arranged between the positioning plate 5 and the outer frame 4, the three telescopic frames 6 are respectively positioned at the left outer wall, the right outer wall and the middle position of the top of the positioning plate 5, a vertical rod 51 is arranged at the top of the positioning plate 5 and at the position corresponding to the anti-drop component 41, two groups of fixing mechanisms 7 are symmetrically arranged at two ends of the front surface of the positioning plate 5, the number of each group of fixing mechanisms 7 is two, a lifting mechanism 3 is arranged at the rear inside of the desk frame 1, displacement mechanisms 2 are arranged at two ends of the inner side wall of the desk frame 1, the displacement mechanism 2 and the lifting mechanism 3 are both connected with the outer frame 4.

As shown in fig. 3, 4 and 5, the displacement mechanism 2 includes a slide rail 21, a cross bar 22, a pedal 23, a slide block 24, a telescopic rod 25, an anti-slip plate 26, a longitudinal rod 27, a first spring frame 28 and a lower pressing rod 29, the slide rail 21 is installed at two ends of the inner side wall of the desk frame 1, the slide block 24 is slidably connected above the outer side wall of the slide rail 21, four longitudinal rods 27 are slidably connected inside the slide block 24, the anti-slip plate 26 is installed at the bottoms of the four longitudinal rods 27, the top of the anti-slip plate 26 is in contact with the bottom of the slide rail 21, the first spring frame 28 is installed above the outer side wall of the longitudinal rod 27, the first spring frame 28 is located at the top of the slide block 24, an extrusion groove 241 is further formed at the top of the slide block 24, the pedal 23 is rotatably connected at the top of the slide block 24 through a connecting shaft 242, the lower pressing rod 29 is installed at the bottom of the pedal 23, the bottom of the lower pressing rod 29 extends to the inside of the extrusion groove 241, the cross bar 22 is installed at the rear surface of the slide block 24, telescopic link 25 is installed at the top of horizontal pole 22, and the top of telescopic link 25 is connected with the one end of locating plate 5, and bar groove 14 has been seted up at 1 top of desk frame and the both ends that are located transverse groove 11, and telescopic link 25 runs through the inside of transverse groove 11.

When the desk device is used by students, the outer frame 4 can drive the display screen in the positioning plate 5 to rise to a proper position through the fixing mechanism 7, the students can drive the pedal 23 to move downwards after sitting on the stool through the lifting mechanism 3, the lower pressure rod 29 can drive the anti-skid plate 26 to separate from the bottom of the slide rail 21 through the pedal 23, then the slide block 24 can be driven to move forwards or backwards through the foot, the telescopic rod 25 connected with the cross rod 22 can be driven to move in the moving process of the slide block 24, the positioning plate 5 in the outer frame 4 can be driven through the movable telescopic rod 25 to move forwards or backwards under the coordination of the telescopic frame 6, the display screen can be driven to move forwards and backwards through the movable positioning plate 5, when the display screen moves to a proper position, the foot is separated from the pedal 23, the longitudinal rod 27 can drive the spring frame 28 to compress due to the downward movement of the anti-skid plate 26, when the foot is separated from the pedal 23, the compressed first spring frame 28 is stretched, and the longitudinal rod 27 drives the anti-slip plate 26 to move upwards and cling to the bottom of the slide rail 21 in the stretching process of the first spring frame 28, so that the display screen above the slide block 24 can be fixed through the tight contact between the anti-slip plate 26 and the slide rail 21.

As shown in fig. 5, the pedal 23 is provided with two through grooves 231 therein, and during operation, when the pedal 23 moves downward, the vertical rod 27 is inserted into the through grooves 231, so that the vertical rod 27 is prevented from blocking the pedal 23.

As shown in fig. 8, 9 and 10, the anti-falling-off assembly 41 includes semicircular sleeves 411, two spring holders 412 and a receiving groove 413, the receiving groove 413 is formed in the outer frame 4 at a position corresponding to the upright 51, two semicircular sleeves 411 are symmetrically installed in the receiving groove 413, the two semicircular sleeves 411 are slidably connected to a groove wall of the receiving groove 413, and the two spring holders 412 are installed on opposite sides of the two semicircular sleeves 411, in specific operation, when the positioning plate 5 needs to be restored to the inner portion of the outer frame 4, the upright 51 on the top of the positioning plate 5 can slide into between the two semicircular sleeves 411, the two semicircular sleeves 411 can fix the two semicircular sleeves 51 to the upright 51 by pressing the spring holders 412, and the positioning plate 5 can be prevented from automatically sliding out from the inner portion of the outer frame 4 by the upright 51.

As shown in fig. 2, 6 and 7, the lifting mechanism 3 includes a support plate 31, support shafts 32, a lifting frame 33, a fluted disc 34, an extension rod 35, a driving rod 36, a toothed rod 37, a pulling assembly 38 and a tray 39, a vertical slot 12 is formed at the center position of the rear surface of the desk frame 1, the tray 39 is slidably connected inside the vertical slot 12, the tray 39 is connected with an external electric lifting device, the support plate 31 is installed inside the desk frame 1, the extension rods 35 are installed at both ends of the support plate 31, the other ends of the two extension rods 35 are located in the extension slot 13 formed in the inner side wall of the desk frame 1, the support shafts 32 are installed at both ends of the top of the support plate 31, the lifting frame 33 is installed at the top of the two support shafts 32, the tops of the two lifting frames 33 are connected with the outer frame 4 through a rotating shaft, the fluted disc 34 is installed below the rear surfaces of the two lifting frames 33, the driving rod 36 is slidably connected at the center position of the top of the support plate 31, the two ends of the driving rod 36 are respectively provided with a toothed bar 37, the front surface of the driving rod 36 is provided with a pulling component 38, when the student needs to use the display screen during specific work, the supporting plate 31 can be driven by the tray 39 to move upwards by the external lifting device, the positioning plate 5 in the outer frame 4 can be driven by the supporting plate 31 to lift to the standard position, when the student needs to heighten the display screen in the positioning plate 5 again, the drive rod 36 can be moved by pulling the assembly 38 to move the toothed rod 37 to the right, by engagement of the toothed rod 37 with the toothed plate 34, the two lifting frames 33 can be stretched, the outer frame 4 can be driven to move upwards again to a proper position through the stretched lifting frames 33, when students need to adjust the height of the display screen inside the positioning plate 5 to be low, the height of the positioning plate 5 can be adjusted by moving the driving rod 36 to the left by pulling the assembly 38.

As shown in fig. 7, the pulling assembly 38 comprises a supporting sleeve 381, a supporting rod 382, an upper pull rod 383, a limiting frame 384 and a pull plate 385, the supporting rod 382 is installed on the front surface of the rack bar 37, the upper pull rod 383 is installed on the outer side wall of the supporting rod 382, the pull plate 385 is installed on the front surface of the upper pull rod 383, the limiting frame 384 is installed at the bottom of the upper pull rod 383, the limiting frame 384 is fixedly connected with the inner side wall of the desk frame 1, when in specific work, since the support plate 31 lifts the outer frame 4 to the standard position, the support rods 382 connected to the front surface of the driving rods 36 are inserted into the support sleeves 381, and the student can push the pull plate 385 to the left or right, the upper pull rod 383 can drive the supporting rod 382 in the supporting sleeve 381 to move through the pull plate 385, then, the driving plate can be moved to the left and right by the supporting rod 382, and the height of the display screen inside the positioning plate 5 can be adjusted by the driving plate moving to the left and right.

As shown in fig. 7, a plurality of first insertion holes 3841 are formed in the front surface of the limiting frame 384, and a second insertion hole 3851 is formed in one end of the front surface of the pulling plate 385, in particular, when the pulling plate 385 is required to be fixed, the second insertion hole 3851 is overlapped with one of the first insertion holes 3841, and then an operator inserts an external screw into the first insertion hole 3841 and the second insertion hole 3851, so that the pulling plate 385 can be fixed.

As shown in fig. 7, a driving groove 311 is formed in the rear surface of the supporting plate 31, the driving groove 311 is slidably connected to the driving rod 36, and in operation, the rear surface of the driving rod 36 is embedded into the driving groove 311, so that the driving rod 36 is prevented from sliding off the top of the supporting plate 31 by the limitation of the driving groove 311.

As shown in fig. 8 and 11, the fixing mechanism 7 includes a fixing plate 71, a fixing bolt 72, a fixing rod 73, a pressing rod 74, a third spring frame 75 and a pressing pad 76, the fixing rod 73 is installed on the front surface of the positioning plate 5, the fixing plate 71 and the fixing bolt 72 are installed on the outer side wall of the fixing rod 73, the fixing bolt 72 is in threaded connection with the fixing rod 73, the pressing rod 74 is slidably connected to one end of the fixing plate 71 away from the fixing rod 73, the pressing pad 76 is installed on the rear surface of the pressing rod 74, the third spring frame 75 is installed on the outer side wall of the pressing rod 74, the third spring frame 75 is located between the pressing pad 76 and the fixing plate 71, during specific work, when a display screen needs to be installed, a worker can place the display screen inside the positioning plate 5 first, then rotate the fixing plate 71 with the fixing rod 73 as an axis, when the pressing pad 76 at one end of the fixing plate 71 is in contact with the edge of the display screen, the fixing bolt 72 can be manually screwed, can fix fixed plate 71 through gim peg 72, can make No. three spring bracket 75 extrude when the extrusion pad 76 contacts with the display screen, can make dead lever 73 drive extrusion pad 76 hug closely the edge at the display screen all the time through the elasticity of No. three spring bracket 75, through can fixing the display screen like this, avoid using the step of bolt fastening.

The working principle of the invention is as follows: when the desk device is used, the desk device is provided with a desk body,

first step, when needs installation display screen, the staff can place the display screen inside locating plate 5 earlier, then makes the extrusion pad 76 and the display screen edge contact of fixed plate 71 one end, can make dead lever 73 drive extrusion pad 76 hug closely all the time in the edge of display screen through the elasticity of No. three spring bracket 75, can fix the display screen through like this, avoids using the step of bolt fastening.

Second step, when needs use the display screen, earlier make tray 39 drive backup pad 31 up move through outside jacking equipment, can drive the inside locating plate 5 of outer frame 4 through backup pad 31 and rise to the standard position, when the student need adjust the display screen height once more, can make actuating lever 36 drive ratch 37 move left or right, can make two cranes 33 stretch or fold through fluted disc 34, can drive the inside display screen height of locating plate 5 through tensile or folding crane 33 and adjust.

Thirdly, the pedal 23 is stepped by the foot and moves back and forth, so that the positioning plate 5 above the telescopic rod 25 can be transversely driven to move back and forth, the position of the internally installed display screen can be adjusted through the positioning plate 5 moving back and forth, the pedal 23 can be loosened after the position is adjusted to a proper position, and the anti-skid pad can be tightly attached to the bottom of the sliding rail 21 through the elasticity of the first spring frame 28.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an accounting teaching computer integrated form practice desk device, includes desk frame (1), its characterized in that: the utility model discloses a desk, including desk frame (1), transverse groove (11), the inside sliding connection of transverse groove (11) has outer frame (4), anticreep subassembly (41) are installed to the top inside wall of outer frame (4), locating plate (5) are installed to the inside central point of outer frame (4), locating plate (5) with install three expansion bracket (6) between outer frame (4), and three expansion bracket (6) are located respectively left side outer wall, right side outer wall and the top intermediate position department of locating plate (5), the top of locating plate (5) and with pole setting (51) are installed to the corresponding position of anticreep subassembly (41), two sets of fixed establishment (7) are installed to the front surface both ends symmetry of locating plate (5), every group the quantity of fixed establishment (7) is two, elevating system (3) are installed to the inside rear of desk frame (1), displacement mechanisms (2) are mounted at two ends of the inner side wall of the desk frame (1), and the displacement mechanisms (2) and the lifting mechanisms (3) are connected with the outer frame (4);

the lifting mechanism (3) comprises a supporting plate (31), a supporting shaft (32), a lifting frame (33), a fluted disc (34), an extension rod (35), a driving rod (36), a fluted bar (37), a pulling assembly (38) and a tray (39), wherein a vertical groove (12) is formed in the center of the rear surface of the desk frame (1), the tray (39) is connected to the inner part of the vertical groove (12) in a sliding manner, the tray (39) is connected with external electric lifting equipment, the supporting plate (31) is arranged in the desk frame (1), the extension rods (35) are arranged at two ends of the supporting plate (31), the other ends of the two extension rods (35) are positioned in the extension groove (13) formed in the inner side wall of the desk frame (1), the supporting shaft (32) is arranged at two ends of the top of the supporting plate (31), the lifting frame (33) is arranged at the top of the two supporting shafts (32), two the top of crane (33) all through the pivot with outer frame (4) are connected, two fluted disc (34) are installed to the rear surface below of crane (33), the top central point of backup pad (31) puts sliding connection and has actuating lever (36), ratch (37) are installed respectively at the both ends of actuating lever (36), the preceding surface mounting of actuating lever (36) has pulling subassembly (38).

2. The integrated computer-aided practice desk device for accounting teaching as claimed in claim 1, wherein: the displacement mechanism (2) comprises a sliding rail (21), a cross rod (22), pedals (23), a sliding block (24), a telescopic rod (25), an anti-skid plate (26), longitudinal rods (27), a spring frame (28) and a lower pressing rod (29), wherein the sliding rail (21) is installed at two ends of the inner side wall of the desk frame (1), the sliding block (24) is connected to the upper portion of the outer side wall of the sliding rail (21) in a sliding mode, the four longitudinal rods (27) are connected to the inside of the sliding block (24) in a sliding mode, the anti-skid plate (26) is installed at the bottom of the four longitudinal rods (27), the top of the anti-skid plate (26) is in contact with the bottom of the sliding rail (21), the spring frame (28) is installed above the outer side wall of the longitudinal rods (27), the spring frame (28) is located at the top of the sliding block (24), an extrusion groove (241) is further formed in the top of the sliding block (24), and the pedals (23) are rotatably connected to the top of the sliding block (24) through a connecting shaft (242), depression bar (29) are installed to the bottom of footboard (23), the bottom of depression bar (29) extends to the inside of extrusion groove (241), the rear surface mounting of slider (24) has horizontal pole (22), telescopic link (25) are installed at the top of horizontal pole (22), the top of telescopic link (25) with the one end of locating plate (5) is connected, desk frame (1) top just is located bar groove (14) have been seted up at the both ends of transverse groove (11), telescopic link (25) run through the inside of transverse groove (11).

3. The integrated computer-aided practice desk device for accounting teaching as claimed in claim 1, wherein: fixed establishment (7) are including fixed plate (71), gim peg (72), dead lever (73), extrusion pole (74), No. three spring frame (75) and dummy block (76), the front surface mounting of locating plate (5) has dead lever (73), fixed plate (71) and gim peg (72) are installed to the lateral wall of dead lever (73), gim peg (72) with threaded connection between dead lever (73), fixed plate (71) are kept away from the one end sliding connection of dead lever (73) has extrusion pole (74), the rear surface mounting of extrusion pole (74) has dummy block (76), No. three spring frame (75) are installed to the lateral wall of extrusion pole (74), No. three spring frame (75) are located dummy block (76) with between fixed plate (71).

4. The integrated computer-aided practice desk device for accounting teaching as claimed in claim 1, wherein: pulling subassembly (38) including bearing cover (381), bearing rod (382), go up pull rod (383), spacing (384) and arm-tie (385), the preceding surface mounting of ratch (37) has bearing rod (382), pull rod (383) are installed to the lateral wall of bearing rod (382), the preceding surface mounting of going up pull rod (383) has arm-tie (385), spacing (384) are installed to the bottom of going up pull rod (383), spacing (384) with desk frame (1) inside wall fixed connection.

5. The integrated computer-aided practice desk device for accounting teaching as claimed in claim 1, wherein: anticreep subassembly (41) include semicircle cover (411), No. two spring frame (412) and accomodate groove (413), the inside of outer frame (4) and with the groove (413) have been seted up to the corresponding position of pole setting (51), two semicircle covers (411) are installed to the inside symmetry of accomodating groove (413), two semicircle cover (411) with accomodate the cell wall sliding connection of groove (413), two the opposite face of semicircle cover (411) is installed No. two spring frame (412).

6. The integrated computer-aided practice desk device for accounting teaching of claim 4, wherein: a plurality of first jacks (3841) are formed in the front surface of the limiting frame (384), and a second jack (3851) is formed in one end of the front surface of the pull plate (385).

7. The integrated computer-aided practice desk device for accounting teaching of claim 2, wherein: through grooves (231) are formed in the pedal (23), and the number of the through grooves (231) is two.

8. The integrated computer-aided practice desk device for accounting teaching as claimed in claim 1, wherein: the rear surface of the support plate (31) is provided with a driving groove (311), and the driving groove (311) is connected with the driving rod (36) in a sliding manner.